Rule 3

  1. "Great Lakes" means the Great Lakes and their connecting tribuatary waters including the Calumet River as far as the Thomas J. O'Brien Lock and Controlling Waters (between mile 326 and 327), the Chicago River as far as the east side of the Ashland Avenue Bridge (between mile 321 and 322), and the Saint Lawrence River as far east as the lower exit of Saint Lambert Lock;
Definition - Great Lakes (Inland Only)le